(1) The assignment of the claim requires the declaration of assignment to be made in writing and the mortgage certificate to be handed over; the provision of section 1117 applies. Upon demand by the new creditor, the previous creditor is to have the declaration of assignment publicly certified at their expense.
(2) The written form required for the declaration of assignment may be replaced by the entry of the assignment in the Land Register.
(3) If the issuance of a mortgage certificate is excluded, the provisions of sections 873 and 878 apply accordingly to the assignment of the claim.